Filament spool holder for three-dimensional printer



FIG. 1 is a top perspective view of a design for a filament spool holder for three-dimensional printer.

FIG. 2 is a bottom perspective view of the design.

FIG. 3 is a left side view of the design.

FIG. 4 is a right side view of the design.

FIG. 5 is a front view of the design.

FIG. 6 is a back view of the design.

FIG. 7 is a top view of the design; and,

FIG. 8 is a bottom view of the design.

The broken lines showing portions of the filament spool holder for three-dimensional printer are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a filament spool holder for three-dimensional printer, as shown and described. 